Triangle Inequalities, Congruencies & Intro to Proof

State if the two triangles are congruent. If they are, state how you know.

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.B.5

State if the two triangles are congruent. If they are, state how you know.

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.B.5

State if the two triangles are congruent. If they are, state how you know.

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.B.5

State if the two triangles are congruent. If they are, state how you know.

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.B.5

Find the measure of the unknown angle indicated.

• A

• B

• C

• D

Solve for x.

• A

• B

• C

• D

Tags

CCSS.HSG.CO.C.9

What else can you determine from this picture? 

(Mark all that apply.)

•  $\Delta ABC\cong\Delta CEF$  

• AB congruent to CE and CB congruent to FE

• ∠BAC congruent to ∠ECF and ∠BCA congruent to ∠EFC

• Nothing

 $If\ \Delta CAD\cong\Delta CAB.\ \$  Complete the congruency statement.  $DC\cong$  ___________

Which set(s) of numbers may represent the lengths of the sides of a triangle?

(Mark all that apply.)

• {2,5,9}

• {6,6,7}

• {6,4,2}

• {7,8,1}

Name the smallest angle in this triangle.

• ∠A
• ∠B
• ∠C

Tags

CCSS.HSG.CO.C.10